Either you'll have to somehow pressurize and seal the punctured one, or give the other one the same treatment :X
Figuring out the former would ideal for now; if you are unable to pressurize it back to the original state, then partial for both might be a inferior workaround.
Or perhaps you can try replacing the pads altogether with something foam-filled >_<
Thats the thing: These things are practically CEMENTED onto the frame. I've tried repetitively and I could NOT get them off.
There are a couple on ebay with the same frame/pads, so I might grab one of them, but then I STILL cant get them off so idk.