PERSON@1 ' emblem was the scallop shell -LRB- or `` cockle shell '' -RRB- , and pilgrims to his shrine often wore that symbol on their hats or clothes .

PERSON@1 's emblem was the scallop shell -LRB- or `` cockle shell '' -RRB- , and pilgrims to his shrine often wore that symbol on their hats or clothes .
