Currently there is [or soon will be] Treasures for finding caches with certain attributes. I was checking on my caches along this stretch of highway, saw a likely spot and had the right materials. Yes, you will need a TOTT. Cache placed a bit precariously since my usual TOTT went caching in Helena without me, but had a not quite as good standin. Feel free to place more securely.
Ybbx hc.