What might be even more psychologically interesting, though, is if the printing on the bed sheet looked like a close-packed array of accupuncture needles.
-- Vernon, Mar 04 2017

Include rubber stamp to mark your body with thousands of pin pricks in the morning. Red or pink ink I guess.
-- popbottle, Mar 04 2017


This idea is completely pointless...
-- 2 fries shy of a happy meal, Mar 04 2017


Eeew, the thought of old syringes and medical waste as printed bed sheets is quite disturbing.
-- wjt, Mar 05 2017


This makes it far too easy for your enemies to slip sharp things into your bed without you noticing.
-- notexactly, Mar 07 2017


Why not go for for the real thing?

Roofing nails come attached in rolls of ~500. Simply spot-weld a suitable number of rolls together, "bzzhtp" and there's your answer. Now, what was the question?
-- csea, Mar 09 2017


" it wasn't appropriate for what I intended to use it for after all "

That sums up most of the ideas here ...
-- normzone, Mar 09 2017


+ delightful
-- xandram, Mar 09 2017


Rethinking this, the top sheet(duvet in the cold), in theory, should be see-thru to show off the bottom 'bed of nails' or whatever sheet.

Although, matching pyjamas or/and body art would be a requirement.
-- wjt, Mar 11 2017



random, halfbakery