Ibikoresho bitwara amavuta hamwe n'ibishishwa nk'ibiti by'imbuto, imbuto z'izuba, imbuto z'ipamba, hamwe na tease, bigomba kugezwa kuri dehuller yimbuto kugirango bikingwe kandi bitandukanijwe nigituba cy’inyuma mbere yo gukuramo amavuta, ibishishwa hamwe nintete bigomba gukanda ukwe .Hulls izagabanya umusaruro wamavuta mukunyunyuza cyangwa kugumana amavuta mumigati yamavuta.Ikirenzeho, ibishashara hamwe n’ibara ryibara biboneka muri salle birangirira mumavuta yakuweho, bitifuzwa mumavuta aribwa kandi bigomba gukurwaho mugihe cyo gutunganya.Dehulling irashobora kandi kwitwa shelling cyangwa decorticating.Inzira ya dehulling irakenewe kandi ifite ibyiza byuruhererekane, byongera umusaruro wamavuta, ubushobozi bwibikoresho byo kuyikuramo kandi bigabanya kwambara mubirukana, bigabanya fibre kandi byongera proteine yibyo kurya.