I fixed a bunch of "Viper" brand house cues for the local hall for practice. They were drilled out in an attempt to make them LD. They were really shitty wood and didn't hold up to the abuse of the environment. They basically split out the first 2-3" of the cues. I talked with the owner before doing so, but I had to just cut them past the hollowed part as the wood was cracked or just missing. The result was the house cues are about 2-3" shorter than normal but it was about the only way to do it. The people are so hard on them and disrespectful with the equipment he didn't want to invest anything in them. $2 worth of ferrule/epoxy/lepros and they were playable again. It was invaluable experience for putting ferrules on and finishing them up. They have all held up however the unbroken original ones are now broken. It's about time to get them and fix them.
Attempting to make a cheap house cue LD by drilling them out was/is a terrible idea.