You know, I might try this with my scouts that I want to slow down. I can put some sodas in their packs and have them carry them for me. Then I put the soda in a snow bank, or stick it in the snow runnoff river, and presto, cold soda that I didn't have to carry. I have 2 scouts that I need to put a 6 pack in their packs so that I don't have to run to keep up with them.
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I've taken a vow of poverty. To annoy me, send money.