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There are some interesting difference between deterent devices and harassment devices. The deterence devices, from what I've read, seem to be very effective. I wonder if perhaps these two subject should be split apart from one another even though I'm the one who lumped them together. Either way, I or someone else who wants to help should probably help me clarify the differences and differences in results. Candleabracadabra ( talk) 20:32, 15 April 2014 (UTC) reply