You can dye most threads even linen, the problem is that the irish linen on your cue may have been treated with something like wax or PVA glue that may prevent the dye from being absorb.
There is such a thing as textile paint that may be better than magic marker
You can dye most threads even linen, the problem is that the irish linen on your cue may have been treated with something like wax or PVA glue that may prevent the dye from being absorb.
There is such a thing as textile paint that may be better than magic marker