Harlequins seemed to get away with a host of off - sides .
When Harlequins got to the Ospreys ' 22 host pinged the home side for that very offence with substitute Tim Swiel kicking the easy penalty to complete a smash - and - grab raid .
Harlequins seemed to get away with a host of off - sides but when they got to the Ospreys ' 22 he pinged the home side for that very offence with substitute Tim Swiel kicking the easy penalty to complete a smash - and - grab raid .