Possible Clues:

• A yard for a tripod
• The tripod has them for the yard
• Tripod for the yard
• Length of yardSTICKS
• Not a yardarm with them on the end
• You need a tripod for this
• How far one might get the dray, perhaps, back
• That's for the tripod
• You'll find them standing in the yard
• A tripod will do for the yard