[johnb838]

Everyone knows that a concrete block should be included with the rapists in the sack

Throw a weasel or a dog in the sack before you throw it in the water. Maybe a poisonous snake.

[DWSUWF]

"...Throw a weasel or a dog in the sack before you throw it in the water. Maybe a poisonous snake..."

I can go with the snake, but I'd hate to waste a weasel and couldn't stand to sacrifice a dog that way.