Inofananidzwa nesilicone, inochinjika, uye inogona kudzokera kune yayo yekutanga chimiro kunyangwe mushure mekudzokorora kutambanudza. Ichi chidhori chepabonde. Nekudaro, madhiragi chaiwo haagone kuenzaniswa neanoputika mapipi, nezvimwewo, nekuti iwo mhando yavo yakanyanya kukwirira. Kune rimwe divi, chidhori cherudo chakanakisa uye kurara pamubhedha chinhu chitsva
bonde chairo bonde.
