Feature 1:Iyo inotsvedza njanji uye inotsvedza block inosangana kune mumwe nemumwe kuburikidza nemabhora, saka kuzununguka kudiki, kwakakodzera michina ine chaiyo zvinodiwa.
Feature 2:Nekuda kweiyo point-to-pamusoro yekubata, iyo frictional kuramba idiki kwazvo, uye mafambiro akanaka anogona kuitwa kuti awane yakakwirira-chaiyo chinzvimbo chemidziyo yekudzora, nezvimwe.