Perhaps due to my own ineptitude at wrapping gifts, one of my fav techniques is to drop the gifts into a grocery sack, drop that bundle into another grocery sack, and use that indestructible fibrous tape to tightly bundle up the sack with a ridiculous amount of wraps of the tape.
You literally cannot rip open the gift-wrapping with your bare hands - you must enlist the aid of a pair of scissors and even then it's a bit of effort.
Unwrapping is fun again!