I can imagine some great uses for this do-it-yourself blood spurter around ski tuning machines at the local shop. You could haze the new guy or give the shop owner a heart attack. Insturctables has the DIY blood sprayer made from a Swiffer WetJet.
ByRocky Thompson
Hey Rocky
Thanks for mentioning one of our projects, we’re glad you liked instructables. If you thought the DIY blood squirting effects were interesting you should check out some of our other projects. Right now we have a few contests going on. If you check their pages here http://www.instructables.com/group/lasercutter/ and here http://www.instructables.com/group/officesupplieschallenge/ you can find all the great projects that have been submitted.