I have years of experience in enduring non-impact sensation play with all manner of implements, substances, plants and beyond.
Anal plug
Burning sensation (Tabasco, chillies, Tiger balm...)
Clothespins
Cock ring
Dice
E-stim
Electric toothbrush
Freezer
Mirror
Nettles
Nipple clamps
Rubbing alcohol
Salt
Sand paper
Sounding rod
Vibrator