Thanks. I fiddled around with it a bit, in the ways you suggested, and was able to get it on with a bit of effort. I guess I just wasn't trying hard enough

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By the way, I have the "MicroBlaze 2W" which appears to be very similar, just in a smaller body (same Cree 2W LED, 2 AA batteries, same mount, etc.). It's rated for 139 vs 146 lumens for the full-sized one, but has longer runtimes in the flashing mode, and is $20 cheaper. The full-sized blaze has some aluminum in the body section, so might be a little more durable though.