Originally Posted by hflmusicislife
Subbing means subscribing. When members see a post they are interested in but have nothing of their own to contribute, sometimes they comment "subbing" so that they are sent the notifications for the thread and can read other ideas :)
And you don't need to post "subbing" to subscribe. There is a tab for that.
We had old flower boxes the were about 3'high, we donated to a friend years ago for jumps. THey worked great.
If you want bigger, there are always the hay wagon jumps you see at shows...a step up from the picnic table idea.
There is always planting a few bushes also, that grow upright like a hedge.