Hull cleaning tools for use afloat

Another good tool either on its own or on a stick is a hard, plastic fishslice (the sort you use for flipping a fish over in the frying pan). They are just hard enough to get rid of barnacles etc but soft enough so they don't do much damage to the antifoul. The angled handle means you don't scrape your knuckles either.
 
Anyone know whether you can use a Scrubbis from on the boat at a swinging mooring (no pontoon available) ?

Boo2
 
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