Can anyone identify what this is?

The reds pick this mysterious object. It could be a Ship Builders tool. Any ideas?

29 January 2018

2 minutes

This clip is from

Bargain Hunt—Series 49, London 9

This stitch-for-stitch replica of the Bayeux Tapestry is 800 years younger than the real thing.—Series 75, French Special
Duration: 05:50
Preserving the colourful heritage craft of ‘canal art’.—Series 75, Long Marston 2
Duration: 04:44
The artist turning obsolete 80s and 90s tech into striking portraits.—Series 74, Ardingly 25
Duration: 05:00
The son of a saddler who amassed a collection of posters that captured life in the late Victorian era.—Series 74, Ardingly 22
Duration: 04:23