... , push-UPS, chin-UPS, dips, crunches, and more Three grip positions, narrow, wide, and neutralProduct Description CHIN UP BAR, DOOR BAR, DOOR ... push-UPS, chin-UPS, dips, crunches, and more Three grip positions, narrow, wide, and neutral Uses leverage to hold against the doorway ... -UPS, with three grip positions--narrow, neutral, and wide--for working the inner and outer back. Once you're done with your ...