I've heard of them used but I dont think it will teach him to stop if thats what you're looking for. But, since he is 14 and if you aren't looking to teach him not to then yes a belly band should protect your furniture.

Brownie-male, Beagle, 9 years.
Cuddles-female, American Cocker Spaniel, 7 years.
LionBoy-male, Newfoundland/Lab mix, 5 years.
Member of I-Dog since April 24, 2008