Witht this you can add to your current pull up bar to make more of an effort and have more fun. This is an (add on not an entire pull up bar).
Elliptical Machine Bolts Adjustment Release Pull up Spring Knobs
Pull up Spring Knob Pin for Exercise Bike Weight Benches Platform Stand
Crunchh Bar - Sit-Up Bar - Sit Up Assistant Device | Ab Core Trainer With Suction Cups & Pull Rope | Equipment Multifunctional Fitness With Smart Counting Display For Abs Waist Leg Training
Crunchh Bar - Sit-Up Bar - Sit Up Assistant Device | Ab Core Trainer With Suction Cups & Pull Rope | Multifunctional Fitness Equipment With Smart Counting Display For Abs Waist Leg Training
Upgrade Elastic Sit Up Pull Rope Spring Tension Foot Pedal Waist Arm Abdomen ...
Dual Spring Tummy Trimmer Sit Up Pull Rope Foot Pedal Abdomen Leg Exerciser