A unique type of weightlifting tool in that its weight constantly shifts back and forth from the center of mass, challenging the user to adjust and stabilize the bag’s ever-changing shape as it’s raised and lowered.
JIM is currently in BETA. Have a look around and let us know if you what you think! :)
A unique type of weightlifting tool in that its weight constantly shifts back and forth from the center of mass, challenging the user to adjust and stabilize the bag’s ever-changing shape as it’s raised and lowered.
Join our mailing list and get relevant news, announcements, and community updates.