Can anybody tell me the name of the pagan symbol's in BBC waking the dead wren boys it was tattoed on gypsies

The BBC waking the dead series 6 had an episode titled Wren boys and the travellers in it had pagan tattoo's on them think it was their hands can any body tell me the name of the symbols it did actually say in the episode, as think it was boyd who said what they were all help greatly appreciated