Tent stake ?
clock weight
Well I found out what it is from a local fisherman
Its a Fish Whacker https://www.amazon.co.uk/Fishing-Priest-Whacker-Hammer-Lanyard/dp/B07BK16G8N?tag=treasurenet01-20
I've done a little fishing in my time. I don't recall ever having the need or desire to whack anything I caught...![]()
Just to muddy the waters... I'd have guessed it was an archery counterweight like this.
View attachment 1672470
Is it lead filled? How many holes can you find on it?