muscle with a waist and thick thighs of course

love it- get splashy

It's cool to have a safe word. It means that as a bottom you can dare yourself to take more and go with the challenge without pulling on the word.
The key is communication and knowing your responsibilities when you're a top- constantly listening and checking in. If you're not getting enough feedback throw in some verbal responses for the sub to give- like count the cane strokes, or ask to be hurt more. It makes them think there's something else going n other than the binary - Safe word / or not. ;D