My first thought on edges is I never touch them. However I do own a Swix brand 6” fine mill bastard file. It has a special place in my tool box. I use it, but not often on skis.
I’ve been waxing skis starting with alpine skis for 40 years. I don’t use a wax iron much anymore, however I’ve had two over the years. Both my wax irons were purchased at garage sales, and I don’t believe I’ve paid more than $5.
For a Nordic scraper, this is what I use. I know it’s steel. I also know it works. I certainly damage bases skiing, I don’t with this scraper. I am just a back country skier, not a racer. I just want to scrape kick wax and klister efficiently. I don’t care that my base structure may be somewhat compromised, quite frankly I usually strategically place a couple of gouges in the bases while skiing to channel water at speed
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https://www.swixsport.com/us/tools/base ... 5950000963
It do not ski in conditions where I cannot use Swix Polar wax as I glide was. I do have a bronze and a nylon Swix base brushes in the kit that goes in my truck.
If you ski in conditions where you encounter refrozen snow or warm melting snow, you have two options. You need a kicker skin or you can use klister. I use both blue (ice) klister and red (wet) klister. If you use klister you need to scrape it off afterwards or you will have a sticky mess. I sprinkle on baby powder and scrape. For me there is nothing like a great ski in crappy snow conditions, followed by a well earned beer while I scrape the klister off.
My only other advise is to purchase Swix Red/Silver as a warm snow wax. Swix Red does not compare, not even close! I experimented with a pine tar based warm snow wax last season, but it didn’t out perform Swix Red/Silver.
Grip waxing is super easy in consistently cold snow that is 28 F and colder. However it really has not been rocket science dealing with the typical roller coaster temperatures I experience in southern Michigan. I really prefer the performance. That performance made learning to use kick wax a joy rather than a burden. I could certainly afford to add a waxless ski or two to my quiver. I’m just not interested.
Good luck!
I’m trusting that if you read Lilcliffy’s waxing thread, and Pinnah Dave Mann’s waxing pages you will be all set.