If necessary, read this a few times--it will come to you in a flash !!
Two fishermen in a small dinghy fishing for carp in the lake. As one leaned forward, his wallet slipped out of his shirt pocket into the water where it was grabbed by a large carp.
The fish jumped out of the water and with a flourish, threw the wallet to another carp, which repeated the process. In all, about 15 fish caught the wallet and threw it on to another.
For both fishermen, it was the first time they had seen carp-to-carp walleting