How to choose a toy?

I'm 18, and s from masturbating aren't as great as they were. I bought something close to a vibrator when I first turned 18, but now that doesn't even seem as great. I have no clue on who to ask, and even though I been in adult stores I'm not sure if I can just walk in and buy a toy, but I am wanting to, so I'm guessing my question is were can I find a site to choose one that's right, or seems the best, so when I do go into the store I don't have to feel as awkward. I also know , yes is great, but you can't always have .