This “Mind Reader” (hmmm, odd name) foot rest is inexpensive and seemed worth the investment.

I love this foot rest

I like the foot rest

I think this adjustable height foot rest is pretty cool - it's a touch 'unstable', meaning it wiggles a bit when at an angle, but that's not surprising, and it's super comfortable on your feet with the nice smooth rollers and bumps in the middle and all over