just try rubbing the 2 ends that split maybe use a little bit of frosting/icing or whatever you are putting it on
A cast won't fix a torn ACL.
To fix a fondant cake defect, first assess the issue, such as cracks, tears, or uneven surfaces. For cracks, gently smooth the area with a bit of vegetable shortening or water, then reapply a thin layer of fondant if necessary. For tears, you can patch them with a piece of fondant that matches the color and texture. If the surface is uneven, use a fondant smoother to even it out, or lightly roll the fondant to make it more pliable.
Silk is such a fragile and fine fibre, that mostly, the only way to 'fix' a tear in silk is to add an applique over the torn spot.
discard and replace it - do not try to fix it
discard and replace it - do not try to fix it
Discard and replace it - do not attempt to fix it
To fix torn drywall paper, you can apply a thin layer of joint compound over the torn area, smooth it out, and then sand it down once it dries. You can then paint over the repaired area to blend it in with the rest of the wall.
Fondant.
fondant that is rolled
Cloth, leather, vinyl?
Discard and replace it- do not attempt to fix it
The fondant will crystallise