ebay
etch:
http://cgi.ebay.com/ETCH-BATH-GLASS-DIPPING-SOLUTION-LOT-OF-2-ONE-PINT_W0QQitemZ6626246713QQcategoryZ4174QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
meanstreaks:
http://cgi.ebay.com/MEANSTREAK-PERMANENT-MARKING-MARKER-STICK-WATERPROOF-10_W0QQitemZ8281636937QQcategoryZ11790QQssPageNameZWDVWQQrdZ1QQcmdZViewItem