43 votes
Accepted

What is this tool on a Swiss Army knife for?

It is a "reamer with sewing eye", according to Victorinox (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
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  • 546
39 votes

What is this tool on a Swiss Army knife for?

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 ...
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26 votes
Accepted

How to clean and refurbish a Victorinox Swiss Army Knife?

When mine gets too bad I use WD40 to free it up, then clean with soapy water and a brush. Mine also goes through the dishwasher sometimes, with the blades partially open. If it gets gummed up with ...
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  • 23.5k
15 votes

How to clean and refurbish a Victorinox Swiss Army Knife?

The producer offers a page of care instructions on their website (here) (PDF). The gist is: don't use a dishwasher, that might be too aggressive open and close the blade multiple times in warm water ...
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  • 1,451
7 votes

What is this tool on a Swiss Army knife for?

As a reamer, it is for drilling small holes in wood. As an awl, it is for sewing thick material, such as leather, together. Here are YouTube videos on how to sew with the awl-with-thread-hole tool: ...
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  • 3,855
4 votes

What is the use of the saw blade on a swiss knife?

I find those mini saw blades very useful when trying to make repairs to gear or improvise with found objects (not necessarily tree branches)— for cutting notches in a piece of wood to hold cord or ...
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  • 3,466
4 votes

What is the use of the saw blade on a swiss knife?

Whenever I get a multi-tool knife now, I skip over the ones which do not have the saw. I do not understand why you can get one with screw-drivers, hole-punchers, and even corkscrews, that would then ...
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  • 3,486
4 votes

What is the use of the saw blade on a swiss knife?

My brother used to work as decorator, (which included placing new glass in windows) and his Swiss knife saw blade has helped him several times while working on scaffolding. No need to go down and get ...
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  • 2,557
2 votes

What is this tool on a Swiss Army knife for?

I use the punch while hunting to dispatch wounded birds. Simply hold the bird by the neck/head and push the punch into the back of the bird's head. It's quick and humane. I have never used it to ...
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  • 21
1 vote

What is this tool on a Swiss Army knife for?

As a reamer, I used it to make wooden woggles for scout scarves. Also, if a can is too hard to open with the opener, I punch a few holes with this tool just to start the cutting with the can opener ...
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  • 2,792

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