A powerfull one
Apples
Ball gag
Bucket
Burning sensation (Tabasco, chillies, Tiger balm...)
Chain
Chair
Cheese
Chocolate
Chocolate eggs
Chopstick
Collar
Deck of cards
Dice
Dog food
Eggs
Ice cubes
Ketchup or Mayonnaise
Leash
Mask
Mirror
Mouth gag
Rope
Rubber bands
Shaver
Shaving wax
Shoelace
Straw
String
Tabasco
Toothpaste
Trash bags