Lobing or Lobbing: How To spell?
The word Lobing is misspelled against Lobbing, which is present continuous of "Lob"
Lobbing has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Lo & ing which should not be misspelled with single 'B'
Wrong Spelling:  Lo-b-ing  Correct Spelling:  Lo-bb-ing 
Find more incorrect spellings of Lobbing to spell right way.