Guy Creates Genius New Workout Machine That\'s So Simple

This guy may have just reinvented arm day. He built a custom bicep machine that takes a standard curl bar and adds a support pole positioned behind the forearms, locking your arms in place to eliminate momentum and fully isolate the biceps. The result? Zero cheating, constant tension, and a brutal pump that hits the muscle exactly where it should. It looks simple — but the burn is on another level.

WATCH:

Bro invented a new bicep machine that’ll destroy your muscles in a good way pic.twitter.com/U87SNsJCRJ

— Dudes Posting Their W’s (@DudespostingWs) March 3, 2026