Support Iceshanty... Get some great gear and forum goodies... Join The Iceshanty Hardwater Militia
So all the hub style shelters come with ice screws for anchors. I saw that the clam has an adapter for the drill. Do you need one or do they go in easy by hand?
If there the good ones you don't need to use a drill at all. Here's quality --> http://www.amazon.com/gp/product/B000LX739W/ref=pd_lpo_k2_dp_sr_1?pf_rd_p=1278548962&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0029XPWD6&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=0M5RAVWXBS5P99PHWAMVIf they look like bent threaded ready rod, throw them out and buy the good ones. Here's garbage --> http://www.amazon.com/Heavy-Duty-Fishing-Shelter-Anchors/dp/B0029XPWD6We made an adapter before they were in stores but then bought all good anchors and don't bother bringing a drill anymore.