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That is a "punch/reamer". It allows your to repair leather (for example). You thread a thread of something though the hole and then use the sharp end to punch/push the thread though leather. In this way you can repair boots, etc.


It is a "reamer with sewing eye", according to the Victorinox Swiss Army Knife Manual (PDF). It is used for punching holes in leather or canvas and can also used to get a thread through the hole, according to SAKWiki


The tool has two purposes. As a punch, it acts as a large needle. You can use it to sew leather or canvas, as mentioned in the other answers. Punch the tool through your fabric, put thread through the hole, retract the tool, repeat. As a reamer, the non-uniform blade shape allows you to make quite good circular holes in plastic or wood. Punch the tool ...


What you describe is exactly how it was done: Accurate measurement of distances and angles Obviously, measuring distances on flat ground is relatively straightforward: you use a known length measurement (perhaps a robe marked at known intervals); and to measure the distance to a distant point, use two points and a bit of geometry (Pythagoras is helpful ...


While Rory Alsop's answer points exactly to the method followed by cartographers and geologists before the invention of GPS and other modern techniques, I'd like to make a point that it was done with an assumption that they knew what altitude they are at and when you stand at planar location located from a mountain at a known distance and you can figure out ...


I would recommend a site like CalTopo (my favorite) or Hillmap; you can import GPX files into them, or click on points to define a path. For Caltopo, creating a path by clicking might not be immediately obvious; first choose "Add New Object", then select "Line", and once you've edited any details you can click each waypoint or hold down shift while ...


For central Europe I can recommend www.wanderreitkarte.de, which is a German site but has also an English and Italian language layer. Its data is based on openstreetmap data which is (at least in Germany) much more detailed off the beaten track than google maps is. Unfortunately it does not contain Norway, where your hike has obviously been done. ...


I had a similar question (which I have deleted) relating to the UK, here's what I found (from comments to my deleted Q and from answers here) that varies from the other answers here I primarily wanted to draw a post-walk track from memory as a longer term record of where I'd been. I carry a GPS but don't turn it on unless I'm lost (it's hard to be lost in ...


I carry two colours and widths of duct tape when I travel. The narrow black is wrapped around a short piece of pencil with paper clip wire inserted to create a key fob that can be attached to my daypack. Wider transparent tape is wrapped around a plastic hotel room key with a hole drilled in the plastic to attach to my backpack with a carabiner. Here is ...


I wrap mine around a Q tip shaft and snip off the cotton tips. 2 ft of duct tape ends up being the diameter of a finger.


As the other answers point out using trigonometry you can determine the height of a distant peak. You can also use the same approach horizontally to determine the distance between two points. Provided that the length of one side of a triangle is known the other two sides can be calculated. Using a combination of these techniques any area can be divided into ...


I don't know about online website, but you can use a handheld GPS like Etrex to keep track of your progress. And since this stores GPS in a common format, you can import this data into another program that will render it in Google Maps which you can then display on your web browser.

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