Tepi ya PE kapena EVA yokhala ndi mbali ziwiri za thovu imakhala yomatira mwamphamvu, nthawi zambiri imagwiritsidwa ntchito poyika zinthu zokongoletsera m'magalimoto, anti-skidding ndi anti-vibration ma CD pamakina, zida zazing'ono, zamanja ndi zina zambiri. Titha kupereka mipukutu ya jumbo.