Well...spinnerbait fishing is close to the top on my list of methods to catch bass.
You can try get some spinnerbaits such as the picture below...
These come in a variety of weights from little 1/16th ounce all the way through to a 2 ounce beast that creates a tsunami when it hits the water. In my opinion - smaller baits for smaller dams (match the size of the baitfish in the dam) and a heavier lure stays down easier.
Then you get different colours - depending on the water clarity you find yourself fishing. Clear water - more natural colours - silver and white. Stained water - yellow. Then if you have overcast skies - red and black. So i've heard... Personally - i have a few cheap spinnerbaits in black & yellow that i have massive confidence in to catch me a bass in any water at any time.
You also get different blade designs...
Willow blades like this batch are supposed to produce more flash and can be retrieved faster through the water.
A colorado blade like this gives off a lot of vibration under water - you'll feel your rod thumping as the blade turns. Works well in stained and dirty water and in dark conditions.
You also get to choose from a price range...
I distinctly remember paying R20/spinnerbait quite some time ago (i bought a whole bunch). You can pay anything from R50 to R100 per bait depending on the name-brand and quality of the product.
Then you get the old "in-line" spinner (below)
I remember using these a long long time ago - before i knew anything about catching bass - on a dirty farm dam. They worked like a charm. There are quite a few variations on these - with the old metal body replaced by a "bell" or a plastic fish etc.
One thing i remember about these in-line spinners is that they can cause your line to twist - weakening it...
I'll admit that i dont have even one of these in my tackle box...
:fishn
Good luck and happy fishing