Mobile Home Sea Shell Brooch - Erstwilder Ocean Vibes 2.0 (2018)Brand New Old Stock If you listen to Erstwilder's seashell brooch, hand assembled from a selection of patterned and textured resins, closely enough, you might not hear the ocean but you may get some funny looks from passers by. With hand finished details it's best use is as an eye catchingly evocative addition to your ensemble. STORY: That sound you hear could be what they call seashell resonance but it also could be the protests of an angry resident.