Brass Knuckle
FailThe top 5 brands take 100% of clicks, so Brass Knuckle is a Fail.
- Flapen Score
- 30 / 100Ranks 7,052 of 7,287 Automotive niches · −19 vs the category median of 4930
- Market size
- $89K/yr1.9M searches / yr
- 90-day growth
- -9.7%search demand this quarter
- Competition
- 90%top-5 click share · 5 brands · 5 sellers
Flapen Score
Brass Knuckle against its category
The dotted line is the Automotive average. Past it, Brass Knuckle is stronger. Inside it, weaker.
Market
The Brass Knuckle market on Amazon at a glance
Shoppers on Amazon United States searched for Brass Knuckle 1.9M times last year and spent an estimated $89K. All 5 brands take every click. Flapen scores it 30 out of 100, a Fail.
01 · Demand
An estimated 0.3% of those searches ended in a purchase.
Shoppers searched for this 1.9M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved -9.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $89K a year.
- Searches, last 12 months
- 1.9M
- Growth, 90 days vs prior 90
- -9.7%
- Conversion, latest week
- 0.3%
- Market size, estimated
- $89Ka year
- Peak month
- January1.2× the quietest month
- Top search term
- brass knuckles1.0M searches a year
02 · Price
A sale here is worth $13.68.
Listings sell for $13.68 on average, from $6.63 to $25.04. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At $13.68 that is $3K to $7K a year per listing.
- Average price
- $13.68under the $15 to $100 sweet spot
- Price range
- $6.63–$25.04
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$7K
- Returns
- 3.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.3% of listings are out of stock. The average listing ranks #2,265 within Bumper Stickers, Decals & Magnets. It carries 2,318 reviews at 3.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.3%
- Average rank
- #2,265in Bumper Stickers, Decals & Magnets
- Average rating
- 3.29 starsAmazon United States average 4.42 stars
- Average reviews
- 2,318per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Brass Knuckle products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Glove Station Gloves for Men Touchscreen Utility Gear with Hard Knuckle Protection Used in Motorcycle Airsoft & Outdoor Work Tan - Hard Knuckle X-Large
- Price
- $25.04
- Rating
- 4.5/5
- Reviews
- 13,411
- Age
- 4y ago

Mossy Oak Fingerless Motorcycle Gloves for Men Riding Gloves with Palm Padding for Cycling Hiking Camping and Climbing
- Price
- $15.32
- Rating
- 4.6/5
- Reviews
- 599
- Age
- 2y ago

Pack of 2 Decals CAR Sticker Irish Brass Knuckles Decal Vinyl CAR Sticker | Cars Trucks Notebook Computer Laptop | Black | 7 x 4 inches(NOT Real)
- Price
- $6.63
- Rating
- 2.3/5
- Reviews
- 35
- Age
- 1y ago

Decorative Metal Brass Knuckles Car Decal Set 7 x 4 inches Gold Metallic Pack of 4 NOT Real (Gold Style)
- Price
- $6.71
- Rating
- 1.0/5
- Reviews
- 7
- Age
- 1y ago

Hayabusa Boxing Knuckle Guards - Black Small/Medium
- Price
- $20.12
- Rating
- 4.4/5
- Reviews
- 651
- Age
- 3y ago
Trending
estimated 90-day click momentum
Hayabusa Boxing Knuckle Guards - Black Small/Medium
- Price
- $20.12
- Rating
- 4.4/5
- Reviews
- 651
- Age
- 3y ago

Mossy Oak Fingerless Motorcycle Gloves for Men Riding Gloves with Palm Padding for Cycling Hiking Camping and Climbing
- Price
- $15.32
- Rating
- 4.6/5
- Reviews
- 599
- Age
- 2y ago

Decorative Metal Brass Knuckles Car Decal Set 7 x 4 inches Gold Metallic Pack of 4 NOT Real (Gold Style)
- Price
- $6.71
- Rating
- 1.0/5
- Reviews
- 7
- Age
- 1y ago

Glove Station Gloves for Men Touchscreen Utility Gear with Hard Knuckle Protection Used in Motorcycle Airsoft & Outdoor Work Tan - Hard Knuckle X-Large
- Price
- $25.04
- Rating
- 4.5/5
- Reviews
- 13,411
- Age
- 4y ago

Pack of 2 Decals CAR Sticker Irish Brass Knuckles Decal Vinyl CAR Sticker | Cars Trucks Notebook Computer Laptop | Black | 7 x 4 inches(NOT Real)
- Price
- $6.63
- Rating
- 2.3/5
- Reviews
- 35
- Age
- 1y ago
Newest
by launch date
Decorative Metal Brass Knuckles Car Decal Set 7 x 4 inches Gold Metallic Pack of 4 NOT Real (Gold Style)
- Price
- $6.71
- Rating
- 1.0/5
- Reviews
- 7
- Age
- 1y ago

Decorative Metal Brass Knuckles Car Decal Set 7 x 4 inches Gold Metallic Pack of 4 NOT Real
- Price
- $7.13
- Rating
- 2.4/5
- Reviews
- 16
- Age
- 1y ago

Pack of 2 Decals CAR Sticker Irish Brass Knuckles Decal Vinyl CAR Sticker | Cars Trucks Notebook Computer Laptop | Gold | Metalic Size 7 x 4 inches
- Price
- $6.75
- Rating
- 2.5/5
- Reviews
- 26
- Age
- 1y ago

Pack of 2 Decals CAR Sticker Irish Brass Knuckles Decal Vinyl CAR Sticker | Cars Trucks Notebook Computer Laptop | Black | 7 x 4 inches(NOT Real)
- Price
- $6.63
- Rating
- 2.3/5
- Reviews
- 35
- Age
- 1y ago

Mossy Oak Fingerless Motorcycle Gloves for Men Riding Gloves with Palm Padding for Cycling Hiking Camping and Climbing
- Price
- $15.32
- Rating
- 4.6/5
- Reviews
- 599
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 90% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
5
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
90%
Top 20: 100%
Open market
0%
- Glove Station50%
- Mossy Oak21%
- Generic13%
- Alpacastore10%
- Hayabusa5%
Demand
Brass Knuckle search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Brass Knuckle search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- brass knuckles1.0M/yr
- brass knuckles self defense494K/yr
- self defense knuckles203K/yr
- manoplas de acero defensa personal67K/yr
- knuckles self defense51K/yr
- brass knuckle39K/yr
- real brass knuckles self defense8K/yr
- brass knuckles self defense real metal12K/yr
- brass knuckles for self defense5K/yr
- knuckle brass5K/yr
Reviews and returns
What reviews say buyers love and hate about Brass Knuckle
We read the reviews and the return reasons for every product selling here.
“Too small”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Brass Knuckle questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









