Unclogging a Bathroom Sink the Easy Way

Unclogging a bathroom sink (excessive amounts of toothpaste) and re-installing the drain and p-trap
0:00 - Overview of situation
0:28 - Loosening drain pipes
1:07 - Finding the problem
1:26 - 2nd clog issue - 1ns section drain pipe
1:51 - Re-assembly
1:58 - Plumbers Putty
2:35 - Leak
2:45 - Reassembly with new drain pipe

[@gforcekaras]

What was that little side pipe towards the top with a little tubing attached to it? Was that for the overflow? Never seen that before.

[@VincesDIYs]

That was a cable the goes to the plug - to open and close it. Yes a different design than I have seen before as well.