200mW laser: Vice needed?/soldering

Hey I am new to lasers and I just got all parts to build a 200mW blu-ray (Diode, Driver, Aixiz module).
I've been inspired by StyroPyro's tutorial and I've got some questions.

1. Do I need to use a vice to put the diode into the Aixiz module or are there other ways to do so!

2. Is that weird soldering trick necessary? Can I just solder the two pins separately and let the case pin there?

Thanks, every support is appreciated :)