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| Possible Upgrades for Modell 4: | Prizes in € |
| - additional belts with buckles (max. 2 possibel) each: | 29,- |
| - high collar with belt/buckle | 40,- |
| -- quilt-cotton wool-laminatet as padding layer | 46,- |
| - d-rings, in pairs only: each pair | 12,- |
| - double or extra wide crotch belt 10-20 cm: | 29,- |