| I see nothing wrong with "sitting on" as a come-along-with-me through time option.  Clothes are doing nothing but touching you in various places, and are as inanimate as a piece of wood or fiberglass.
 We may bemoan the lack of scientifically and visually more satisfying TTW nakedness, but once clothes are along for the ride - well, in for a penny, in for a pound.  Outriggers, passenger jets, it's all good.
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