input question: Protect head of disposable razors during travel.

output answer: Place binder clip over blade.

input question: To open a jar with a difficult lid without duct tape.

output answer: Try running hot water over the lid for a minute or two, wipe down, and then open. You can also soak the lid in hot water to get a similar effect.

input question: how do you win at chess?

output answer:
take out the king