The Gripedo device is a portable and multifunctional exercise apparatus that can be used alone or together with a variety of existing equipment. The Gripedo device includes a handle, a shaft and a plurality of fins. The handle, in various shapes and configurations, allows wrenching and twisting like motions of the supination and pronation of the hands, wrists, forearms, and internal and external rotation of shoulders. The user can also grip the shaft and conduct a variety of sport specific hold training. The user can also grip the shaft to perform wrist extensions and flexions or the handle to perform wrist extensions, wrist flexions, wrist ulnar deviation and wrist radial deviation. The plurality of fins on the shaft can be mounted to an existing apparatus or a weight. The Gripedo device can further be used with working against sand, rice, or similar granular material, can be used as gymnastic canes, for dips, pull-ups or push-ups, sled drags, single-arm deadlifts or carries, exercises using landmines, therapeutic exercises, goblet squats, sled, hammer-like wrist leveraging exercises, etc.