You can put your rods in between the chains on the side of the wharf like Sam said. Otherwise you could get a bucket and put a couple bits of pvc pipe in then fill with Concrete, but probably easier to just use the chains on the side of the wharf or just leave them lying down like I did, I never had any problems. I’d also suggest just dropping your line straight down otherwise you’ll most certainly get snagged. Be interesting to see how you get on with the squid jig, last time I was there I only saw a couple small schools, not enough to catch any on the jig. The time before that though there was massive schools of them so maybe they’re only around at a certain time of the year?