Hello and welcome to Etsy.
I think maybe Twitter (which I see on your shop already), FB, Pinterest and any other free social media are a good start to get you 'out there' as you have nothing to lose.
Joining teams and playing the 'games' such as list 1 fav 5 items above yours, and like the above have mentioned, you need more items.
Also, your items have to jump out at the customer - images work better than words; it's easier to do with some products than others. Maybe with yours you could some how add some colour to you photographs to make them 'pop'? I don't mean to the items, just the photo - maybe something in Photoshop?
Sorry I can't be of more help but good luck! It takes a lot of hard work, frustration and sometimes maybe even tears to get these shops working. :)