its a butterfly clip style http://www.google.com/imgres?q=pin+backs&hl=en&sa=X&biw=1366&bih=643&tbm=isch&prmd=imvns&tbnid=mnW3nanDgowHpM:&imgrefurl=http://www.huecountsspecialties.com/Product.aspx%3FCAT%3D25%26SUBCAT%3D36&docid=jIEuxVaYD4j6VM&imgurl=http://www.huecountsspecialties.com/images/upload/Pin%252520backs.jpg&w=600&h=600&ei=V2FmUN7DIMXZigLt0YDwDg&zoom=1&iact=hc&vpx=391&vpy=262&dur=478&hovh=179&hovw=166&tx=120&ty=106&sig=113929573118799730463&page=1&tbnh=166&tbnw=149&start=0&ndsp=12&ved=1t:429,r:1,s:0,i:82
Sorry for not responding quickly.. Was putting the baby down :).. Um, I dont know what A Tie Tac is.. But Its the Metal Kind that you pinch and it locks and unlocks...
if you copy and paste this link... these are the kind of backs they have :) http://www.huecountsspecialties.com/ProductDetail.aspx?CAT=25&SUBCAT=36&ID=1199
Ok that is what I need to know. Tie Tac is the sam it goes through the tie and you put that little button on it. I have bid and have high score for now..tell the kid good night,,