Clothes padding

Has anyone tried using a prop belly, like a sponge or silicone one? Do they feel good and realistic?
Thanks for the advice!

I wish! But it got me thinking about getting this just for fun...
Beer Belly Canister!
www.amazon.ca/dp/B001RB2CXY/ref=cm_sw_r_cp_apa_i_0AWcGbWB6YRDX