Best tickler? We all do it, maybe Kat (Mistress Tan) is the most physical, she would not need to tie you up to make you helpless LOL. She uses a vintage police nipper- once that's on your wrist you won't move an inch without asking politely first she also does really technical rope work.
Honestly you guys have one of those rare fetishes that most women basically share- it's a bit like having a fetish for going shoe shopping, you're not going to find a whole lot of unwilling women