crankerchief 

A napkin or rag used to wipe off the black stuff on the bottom of the crank pipe.

Cassie used a crankerchief to clean her glass dick before she took another hit.

crankerchief by Jamie Pheloney April 9, 2005

krankerchief 

A cloth used for wiping soot or impurities from a smoking implement

Could you please let me use that there krankerchief?

krankerchief by #1Shyne July 17, 2019