Fresh replacement nozzles and pins.
Don't throw your precious glue bottle away when the nozzle is clogged with dried glue. Replace nozzle with a fresh one and ensure fresh drop of glue even if you've opened the bottle after 2-3 weeks.
Glue pins are great for unblocking nozzles as well as assisting shaking glue.
Each pack contains: 2x new nozzles, 3x glue pins