…krome togo , možno ešče snizu porolončikom žëstkim podamortizirovat'PF
…aside that, possible also below foam_rubber hard pod.cushion.inf
it is also possible to put some hard foam rubber below as a cushion' <https://guitarplayer.ru/equipment-others/kreplenie-zvukosnimatelya-243681/>, accessed on 24.08.2021