Getting the Cupid hands-less involved getting a good high hook the the upper leg and creating a nice pressure triangle (see 0:24 0:25) for hands free support – then, for aesthetics, removing the ‘look’ of that pressing action (see 0:48).  I would practice this initially with a crash mat) and some grip aid on the arch of the lower foot doesn’t hurt 😉

See me finally nail that Titanic here:

xpole itac