Rocket launcher!!!!! Lol. But seriously, they should have trip wires, where you place them on the ground and people trip over them. Sort of like a pit fall, but can be reused.

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Brawl FC: 5455-9134-5090 Nickname: Kirby

"There's no use killing a dead horse."
"I think you mean 'beating' a dead horse."
"Why would someone BEAT a dead horse?"
"Why would someone kill adead horse?"
"Maybe it kicked you when it was alive."
"But it's dead!"
"And so is every customer who bought our flagship product."