I'm about to apply a new side art sticker, but that one has been in a storage since a llooooong time, and as you can see in that picture...
![](https://www.dragonslairfans.com/forforum3/sticker_curve.jpg)
...the sticker starts to curve and I'm not sure if there's still enough glue below it.
I would like to use additional glue on these 'curved' edges before applying the sticker. What kind of glue would be the right one?