Amphenol shrink boot adapter is a good option when the unshielded cables are terminated with heat shrink boots. It has a groove where the boot lip can hold which provides good grip apart from sufficient space inside for the cable looping. It is available only in straight version as angled boots are available for such terminations.
Using the heat shrink boot is another way of providing the environmental protection and strain relief to cable termination. Using a suitable adapter is essential here to make sure the repairability. Amphenol shrink boot adapter is designed to provide excellent characteristics in all these parameters.