Stacked chair roller.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...ir_carrier.jpg
Previously:
https://www.homemadetools.net/forum/...885#post133547
https://www.homemadetools.net/forum/...794#post100049
https://www.homemadetools.net/forum/...314#post135087
https://www.homemadetools.net/forum/...3750#post99929
https://www.homemadetools.net/forum/...079#post125688
https://www.homemadetools.net/forum/...826#post100118