1. Repairing Loose or Broken Frog Edges During Bow Rehairing
( General » Repairs )

... glue it back on using CA glue. Note, you better make sure you can line it up perfectly before you attempt this.After about 10 minutes you can remove the excess glue and restore the slide channel. Then ...

2. Stuck Slide Solutions | Unsticking Glued-in Slides | Callier-Scollard Violin Shop
( General » Repairs )

When a slide is stuck or has been glued in, you can inject a little water and a small amount of heat to free up the slide.   Note mixing needles also work good for injecting a little ...

3. Various Methods for Clamping Broken Scrolls | Violin Repair Tips
( General » Repairs )

... directions. If the break doesn’t align perfectly, the repair may need to be done in stages over several days. In one case, I had to glue a scroll in three separate sections to ensure a precise fit. I typically ...