Behind Bars @ Strawberry Fields

A new location, another attractive park area in the Northern Gold Coast zone with fun for the kids and space for the geo-dogs to stretch their legs. This large park has a modern playground zone is bounded to the North-East by a detention basin wet zone. Separating the park and wetlands is a long fence which reminds me of a jail cell ( not that I've seen the inside of one ).... to keep the kids out of the wetlands... or something else ?

I've made this cache open to all members ( new and premium ) and whilst it might be relatively easy for some of our experienced members... I'm sure it'll provide a good, fun find for those just at their geocaching beginning. Please respect the location, cache and try to be subtle when extracting it so muggles "non geo-cachers" don't see it and potentially damage it. Thank you.

Don't forget to bring a pen / pencil.

PS - try to find this without looking at the clue... which is there for our newer members.