Preferably, {HEAD ~ the elongated attachments} are sold with {TAIL ~ the collar}, and leash, or bag, or belt to offer an alternative design 
are sold with
Preferably , { HEAD ~ the elongated attachments } are sold with { TAIL ~ the collar } , and leash , or bag , or belt to offer an alternative design
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH