straw mod

I know this topic has probably been brought up a million times, but I have searched the forum and can't seem to find the Original, or How To do the straw mod, and how it works. Ive just ordered a Joye 510 and this will be my first time vaping, and I know I am going to refill carts. Can some...

I came across this when I was doing a USB pass through mod. The issue is that every time I try to refill, I can only get about 3-4 drops in the cart before it fills to the top. I know the 901 carts with the sponge material can take at least 7 drops. I made a small modification by cutting about...