Fishing from the rocks, beaches or wharfs can be quiet challenging.
I don't fish much from the rocks myself, but I'm on a mission to get better at it.
Most of the time when I try fishing from the shore I come back with bags full of
garbage rather then fish.
I normally pick up entangled fishing lines, plastic bags, old rusty hooks, plastic bottles
and every now and then some sinkers which then go right into my tackle box.
Yesterday I stumbled over a new kind of sinker which I haven't seen before.
This one didn't qualify for my tackle box and went straight into the rubbish.
I call it the spark sinker.
It's surly a cheap way to get a sinker - that is if you got enough spark plugs lying around in your garage.
A bit worrying if people with little or no care for the environment produce these kind of sinkers.
Dropping them into the water without a proper cleaning sounds awful.
It might be possible to get rid of any oil or grease by boiling the spark plug in saltwater for a while.
I can only hope that the person that used this sinker did so.