You have the clutch collar bearing about to disintegrate by wear.
The repair involves disassembling the vehicle gearbox and once separated from the engine, access the clutch or cluch and replace it with a new one.
There are \ "repair kits that consist of disk, mace and clutch collar. Since it is rarely advisable to change a single piece of the set and leave the old mounted.
The price of the clutch kit is not expensive, the worst is labor since removing the gearbox is a task that takes many hours of labor.
All the best.