'Ideal for pull-ups, push-ups, chin-ups, dips, crunches, and more Three grip positions, narrow, wide, and neutral Uses leverage to hold against the doorway so there are no screws and no damage to door. Installs in seconds. Fits all standard door frames (24\"-32\" wide) quick and easy to assemble Heavy duty  Disclaimer I do not own the video, so there\'s no need for copywrite intended.' 

SEE ALSO: mr. , royal marine commandos , hollywood , forces , popsugar fitness , press , Easy , annual day , cal , anyone can do