How to tighten the LM Wave knife blade

[Jernej]

I noticed there's a bit of blade play in my Leatherman Wave. Is there a way to tighten it without buying any extra tools?

 

[Knife Crazied]

You can tighten it with 2 tamper proof torx bits. You must have 2. You can get them for like $1-$2 at ace.