Wind chimes are mounted in a circle with a hanging beater strung in the center ; they may be solid or hollow and made of many types of material , .
The mark tree is mounted in a linear fashion and normally has solid metal bars .
Wind chimes are mounted in a circle with a hanging beater strung in the center ; they may be solid or hollow and made of many types of material , whereas the mark tree is mounted in a linear fashion and normally has solid metal bars .