Over the decades there have been lots of pedals that could be fitted with toe clips.

I use some MKS pedals with toe clips on my folding bike. Consider that brand too. I think this photo is the pedal I use on my folding bike, I pulled this photo off of the MKS website.


Note the sharp pointy thing on the bottom on the right side, that that means that is the back of the pedal. The sharp pointy part is so that when the pedal does not have your foot on it and the pedal is hanging upside down, you can rub your shoe sole moving backwards on that to rotate the pedal so you can get your foot into the toe clip. You can see two holes in the front of the pedal on that flat plate. The two bolts that hold the toe clip in place goes through those two holes. You do not really need that sharp pointy thing, but it helps.

You do not need those two holes if you have large washers or a plate that can go over both sides of that straight flat back, but the front side where you mount the toe clips has to be straight and flat like on that pedal. If you know with certainty that you will always want toe clips, I would get pedals with those two holes.

So, that is what a pedal looks like that uses toe clips.

The specific pedal above, you do not want that pedal, that one is a quick release that I use on my folding bike, you don't want the quick release mechanism.

I think any of these MKS Sylvan pedals would work well.
https://www.mkspedal.com/?q=en/product/term/7

But there are many other good pedals too.

But all of those pedals would be very uncomfortable with soft shoes, you will want to use cycling shoes or a hiking shoe with a stiff sole. If a hiking shoe, that might not fit in a toe clip very well. I assume you already know that, but I mentioned it just in case.

For touring I use a pedal with SPD cleats on one side, platform on the other. There are several models of such pedals out there. You might consider SPD cleat pedals and shoes too, but that would cost more since that would mean another pair of shoes.