Crabing or Crabbing: How To spell?
The word Crabing is misspelled against Crabbing, a noun meaning "A process of scouring cloth between rolls in a machine."
Crabbing has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Cra & ing which should not be misspelled with single 'B'
Wrong Spelling:  Cra-b-ing  Correct Spelling:  Cra-bb-ing 
Find more wrongly spelled words of Crabbing to spell it well.