We don't know whether spiders can be line bred for more or less wobble.
What we know is that the trait is tied directly to the spider mutation, and spiders that do not appear to wobble will produce offspring that do, to various degrees--and spiders with a bad wobble can produce offspring with very little wobble.
Now, every once in a blue moon, a spider is born that is such a 'train wreck' that you have to put the food in its mouth for it to eat, because it falls all over itself and can't find it. This is rare, but happens. It's an example of what happens when the snake has a very extreme wobble.
In its most common form, the spider wobble is harmless. You certainly would not want to breed spiders to increase the wobble, because if you succeeded in increasing it, then a trait that is largely harmless would turn into one that is detrimental to their survival. Creating train wrecks would be a bad thing.
Most people try to breed for minimal wobble. The desirable spiders in breeding programs are those with little to no noticeable wobble. There are some who feel that, given time, the trait can be minimized, even if it cannot be eliminated. Time will tell.
There are also some people who simply ignore the wobble, and breed for pretty. They produce lots of healthy spiders as well.
So again, if your question is serious--too much wobble has proven to be detrimental to the snakes, so you would not want to try to make the wobble more extreme than it already is.
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