how tf do you thumbpull for extended periods of time ?

[6PSLcel]

my left thumb hurts like hell from doing this shit, idk if im doing it too hard or what, inb4 weakling: youre probably doing it too soft urself init

 

[Kelly Oubre Jr]

my left thumb hurts like hell from doing this shit, idk if im doing it too hard or what, inb4 weakling: youre probably doing it too soft urself init

you only need to do a few sets of 30-90 secs depending on how hard you pull

 

[6PSLcel]

you only need to do a few sets of 30-90 secs depending on how hard you pull

yeah 90 secs per hour