Kuva kuri fosile yamashanyarazi kugeza kumashanyarazi ya kirimbuzi, Hikelok itanga ibikoresho bitandukanye byifashishwa.Waba utwarwa nibicuruzwa cyangwa ufite ibisabwa byihariye byo kugenzura amazi, abanyamwuga ba Hikelok barashobora kugufasha guhindura imikorere ihari, cyangwa gushushanya no kubaka bundi bushya.