Official weight kit for Longoni cues

How to increase the weight of a Longoni cue with the "Original weight kit for Longoni cues".
Suitable for Longoni cues for pool, carom, and 5 pins with fixed system. Compatible with cues equipped with 3Lobite extension attachment.

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Hello help me please
What side the wrench you remove weights . Thank you 🙏🙏🙏🙏