This device is useful to hold the free end of some pieces, once the center has been hollowed out.
The cone was made with mesquite wood.
The center was made by reusing a chair wheel shank, and it has three 3/4" bearings.
Attachment 23573
Attachment 23574
Attachment 23575
Attachment 23576
Attachment 23577
Attachment 23578
Regards, morsa.