That was the medium 9"x11" sheet.  The medium disappeared & the price has since increased.  

Drew whiteout markings from the mighty Walmart size 12.

Doubling up the included hole punch allowed it to punch suitable holes which could be trimmed with the knife.

The lion kingdom's proven string, farsteners with aftermarket enlargement & mane hair.

Either need a laser cutter to fabricate plastic parts or a desire to pay for stamped parts.

The hole punch was destroyed from hammering into concrete.

The 1st run ended just as badly as the genesis.  The search for a less grippy coating continued.  

Aquarium sealer: the material on the genesis heel strap, but it was actually more grippy.  

E-6000 coating: smooth enough to do the job, but delaminated just like duct tape.  

Target Insoles: The only thing that works, so far.  They stay in place without adhesive, but holes for the strings.  Weight of the toe section & thickness makes them want to flop around.  They wear out fast.  The fabric alone may be the key.