This is an attachment for your propointer so that you can attach a string or a clip so you dont leave your propointer on the ground
http://www.ebay.com.au/itm/Garrett-..._ET&hash=item43b79e540b&_uhb=1#ht_1896wt_1398
http://www.ebay.com.au/itm/Garrett-..._ET&hash=item43b79e540b&_uhb=1#ht_1896wt_1398