Paslanmaz çelik sebze toplama, demir tırnak koruması, parmak koruyucu, parmak kapağı, parmak kapağı, sarımsak soyma ve bezelye sıkma başparmak bıçağı

Not useful at all, keeps falling off your finger. I advise against buying this

An interesting device, not a mandatory purchase. But when you have it, it is very convenient. So far I have tried it when extracting seeds from citrus fruits.