Diabolical Device The Spank-N-Tickler (Patreon)

It falls to the victim to decide whats worse. A randomized computer program alternates between a spanking of varying levels of intensity and an intense foot tickle torture, sometimes with the feather, sometimes with the mechanical hand. it can also be given other implements to use in both areas. 

Our current subject has endured one session, now lets see about round 2  ;)