Iīd second that. The Agawa Canyon seems to accept regular blades. Many hardware stores may carry them. That is a big plus when you want to replace a broken blade or have blades for different purposes.
Triangular designs get in the way fairly quickly and they are awkward to use when you are used to make the cut with the whole blade length. The triangle tends to lift the blade out of the cut too. I do not like them for that reason.
I am a fan of bucksaws. They also are takedown and more traditional design.
When bulk and weight matter I have a Fiskars Xtract SW73. It works well. The drawback of this type of saw is that the blade is easily damaged if you do not cut with the draw only. The blade is proprietary.
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If it isnīt broken, it doesnīt have enough features yet.