PS: I used to think these doohickies were pretty silly when I had a pair of heels would mostly do the same sort of thing, and had done for decades – then I began thinking of digging for survival water sources, purifying the water found & etc. I decided that it might well be 13 grams well spent: https://www.massdrop.com/buy/suluk-46-tark-trowel?referer=EJ89BQ 7 http://www.suluk46.com/ & https://suluk46.com/product/tark-ultralight-backpacking-trowels/
See also:
http://www.theultralighthiker.com/water-hiking-desalinator/
http://www.theultralighthiker.com/sawyer-water-filter/
http://www.theultralighthiker.com/dehydrated-water/
http://www.theultralighthiker.com/rivers-in-the-sky-never-die-of-thirst/
http://www.theultralighthiker.com/survival-still/
http://www.theultralighthiker.com/water-filter/
http://www.theultralighthiker.com/collecting-water/
http://www.theultralighthiker.com/the-egg-ring-ultralight-wood-burner-stove/