Spiny oyster beads inouya nepepuru, tsvuku, uye orenji ine ruvara rwespiny oyster shell, ese echisikigo deko rine musanganiswa wakasiyana wemavara uye maumbirwo. Kunyangwe neyakadzama maumbirwo uye gomba iyo polish yakanaka chaizvo. Aya maumbirwo ezvisikwa ane misiyano yakawanda yatinogona kuita mabeads, kugadzira zvishongo semhete, mhete, nekiresi, pendants, zvishongo nezvimwe.