BIQU nozzles

Not because I said so, because everything was tested. Here are the layer adhesion numbers for some hot ends including panda with various nozzles:

Here is some more info about metal gears:

And specifically about Panda gears:

https://www.reddit.com/r/BambuLab_Community/comments/1f9p0bn/a_psa_to_anyone_considering_the_biqu_panda_claw/

Most of BTT products are like “performance” upgrades for a Civic, look cool but reduces performance due to higher weight, poor manufacturing and/or design decisions. “Jewelry” and not real performance upgrades.