hey look what i found i know this is unrelated to satanism and stuff but it still seems intresting and looks kind of cool and fun prob a waste of money but still fun then again it may be a good idea prob annoying idea but replacing stairs so ppl will choose them over escalators to work out
hmpft humans need the extra work anyway
http://www.autoblog.com/2009/10/08/vide ... #continued
its about how they took some stairs and redid them to make each step work like piano keys
