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BoldKeyOfficial

Garden Grove, California

11
 Sales

3 months
on Etsy

11
 sales

3 months
on Etsy

Following Follow

11
 Sales

3 months
on Etsy

11
 sales

3 months
on Etsy

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May include: A RightHand Bass Practice Tool in black and red, model BRJ4, featuring four strings over a rectangular base with a metallic bridge. Text includes RightHand Bass Practice Tool, Every Bassist's Dream, ORDER NOW, and Patent Pending No. 64/012,758.

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4

$49.95

FREE shipping

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Bold Key

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Bold Key

Reviews

5.0 (3)

Average item review

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

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Luca on Oct 24, 2026

5 out of 5 stars

Great tool to keep plucking hand in shape during travels! Seller is a quick responder and the item was delivered 2 days before the expected date. Definitely recommend for all bass player on the move!

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4
Justin on Oct 10, 2026

5 out of 5 stars

Fun little practice device. I like it.

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4
Craig on Aug 11, 2026

5 out of 5 stars

This product is a game changer! As I write this, I need to keep my right hand skills sharp but am unable to lift my bass because of a recent surgery. Bold Key saved the day with the perfect device to make sure I’ll be ready for future music events. I am immensely grateful for this product and the amazing customer service they provide. I highly recommend this to anyone trying to keep their right hand skills on point!

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4

Bass Guitar Practice Tool, Bass Trainer, Real Strings Fingerstyle Gear - Bold Key BRJ4

About BoldKeyOfficial

Premium Bass Gear & Innovative Practice Tools

Sales 11

On Etsy since 2026

Premium Bass Gear & Innovative Practice Tools

Bold Key BRJ4 (Black & Red) bass practice tool. Patent Pending No. 64/012,758.
Bold Key BRJ4: Perfect Jazz Bass dimensions, authentic string tension, designed by a pro bassist.
Bold Key BRJ4: Portable and lightweight practice tool to warm up and play anywhere, anytime.
Bold Key BRJ4 dimensions: 5.0" x 3.5" x 1.4". Compact and lightweight at only 0.53 lb.
Bold Key BRJ4 custom options: Left-handed and flatwound versions available upon request.

Handcrafted Innovative Practice Tools for Bass Players Worldwide

Welcome to Bold Key. As a professional bassist with over 35 years of experience, I know how important muscle memory and exact technique are to a player's groove. That is why I design and handcraft innovative practice gear engineered exclusively for musicians to master their fingertip touch anywhere, anytime. Every single tool is meticulously built, sanded, finished, and quality-tested right here in my workshop in Orange County, California. Thank you for supporting custom gear made by a musician, for musicians.

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