puffco hot knife 2 0 dab toolPuffco Hot Knife 2. 0 Dab Tool The Puffco Hot Knife 2. 0 Dab Tool is built to make loading concentrates simpler and far less messy. Instead of dealing with sticky material clinging to a standard dab tool, the heated ceramic tip helps the concentrate drop neatly into the chamber with the press of a button. Puffco describes this updated version as a step forward from the original, with a reshaped glazed ceramic tip designed to leave more hash where you