As Alf correctly identified, it's a (frosty) fairlead.
Is the point of them to protect the paintwork? They certainly don't seem to protect the ropes.
Braunston 2017 - Arrived 4.30. Purchased patchwork trousers and brass items. Ate tea. Went to beer tent. Talked to lots of people. Excellent. Now retiring to the distant st...
3 hours ago