one hundred word story #71: Ninth life

Their mom said they could no longer afford the cat. Rudy filled a burlap sack with rocks. Gerald coaxed the old girl inside, her fur matted and dirty. Tom tried to block out the mewling, the incessant throb of her purrs. When they got to the bridge they saw that the riverbed was dry and cracked. The brothers looked the other way while Tom wound up. He didn’t notice the fabric shred just so. When he released, the bag was light and airy, the cat gone. There was no plop. The boys waited. And then: the bridge began to purr.