on the "klapklip" trick you play using a paperclip which you can find anywhere, just a normal paperclip.
You can use the paperclip belongs to the audience and you DON'T NEED SWITCH TECHNIQUE, because it actually use the paperclip from the audience. even you can let the audience choose the paperclip to be played.
you will be embedding the paperclip without using thread or glue, you can also make the paperclip to spin if you blow. the great thing again you can give to the audience to hold the paperclip and blows it.
let the audience exam the paperclip before and after you show.

-no switching technique
-no palming
-Unprepared
-Paperclip can be borrowed

ADDITIONAL PROPS/SUPPLIES MAY NEED TO BE PURCHASED TO PERFORM THIS EFFECT.