The problem with the Kong is there were two of them. At one point in the production of them, they used a bad or wrong batch of the coverstock. It may have been as simple as one batch contained the particles and the next batch did not. I don't really know. Whatever the problem was, there were 2 distinct Kongs and I cannot tell you how to tell them apart except by their reaction.
A friend told me, back 4 years ago when it first came out, that his Kong could only handle medium light oil. I was heavily "into" Lanemasters balls back then. So I bought one because I found it hard to believe him, given the review in BTM, a medium-heavy to heavy oil ball. I drilled it relatively strong, 4x4, and found the same thing he did: it just couldn't handle even true medium oil. On medium-light oil, it was fantastic. However, once the head oil was depleted, you had to put it away. You couldn't get deeper, because it couldn't make the turn. It just burnt up in the heads.
I sold mine because of its limited usability. If you got one that handles medium-heavy oil, it's a keeper!!!
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"None are so blind as those who will not see."
Edited on 8/24/2009 6:19 PM