Yes, you can use your wet/dry vac to unclog a drain. Hold the opening of the nozzle over the drain to suck out the clog. If nothing comes up, push the nozzle as far into the drain as it will go. Hopefully, this will dislodge the clog.
I recommend using a wet/dry vacuum, as it can extract organic matter like hair and soap scum. Take the drain cover off the shower, put the vacuum hose right up...
Damp hair is actually best when it comes to curling rods. Feel free to dampen your hair if it's completely dry, or wait a little while after washing before putting...
Start by putting a shoe tree in each boot so your boots don't lose their shape. Then, use a suede brush or an old toothbrush to gently brush the surface...