If you tend to fumble around trying to apply glue onto the lash strip, it might be easier to apply the glue on your lash line, like you would with eye liner. Let the glue dry until it's tacky and then set the lashes on top.
This post describes all the steps necessary in choosing false lashes for your eye shape & how to apply them. Step by step guide in how to get falsies to work for you! This review also contains a review of ESQIDO Mink Lashes & Companion Eyelash Glue.