Performed within a hole or '' stopper '' in which the paddler begins performing a pirouette but instead of dropping into a regular surf upon finishing , the paddler uses the pop coming out of the pirrouette to perform a loop .
Performed within a hole or '' stopper '' in which the paddler begins a bow end and turns it into a pirouette , eventually facing back upstream . 
 At this point instead of dropping into a regular surf upon facing upstream again , the paddler uses the pop created during the pirouette to perform a loop .