How to attach a synthetic hair extension?

I recently bought a jessica simpson hairdo extension system. It is made with synthetic hair. I was just wondering if it would...

I got some synthetic hair extensions, there nice and long and I love them but how can I get rid of the shine in them? and mak...

ok I have straight hair extensions and my hair is wavy how can I make my hair extension wavy also?

I have no idea what they are made of, like synthetic or real hair. I've looked it up all over & can't find a thing about it.

I bought some Oceana's clip in hair extensions, they're 100% human hair, I dont know if they're virgin or not.

Where do you buy hair extensions? I don;t wann buy them online. How muich do they cost?

are synthetic hair extensions crap??? should I save up and get the 100% human hair extensions?

How can I mend split ends on my clip in hair extensions?!?!?! its so irritating.

can you dye hair extensions? could it go terribly wrong?

I want to dye my hair and the extensions also but I dont know how long you have to wait to put in extensions after you die yo...