Pointer Sticks - Something You Should Do Without?

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I know a few divers who, when they haven't been diving for a while, assuage their craving to get wet by browsing in dive stores where they are vulnerable to buying all sorts of seductive items that "might prove useful." They end up on a dive boat dangling with goodies like an over-decorated Christmas tree.

One item they seem vulnerable to is an aluminum pointer stick, sold in an array of bright colors. The sticks are even engraved with a measuring scale to give them an air of scientific intention....

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