Pre-Looped (Micro-ring) Crochet Extensions: These come with a loop already made at the top of each extension, making the installation process quicker and easier. This feature is especially beneficial for beginners or those looking for a more straightforward, time-efficient installation. The pre-looped design ensures a consistent and secure fit.

Standard Human Hair Crochet Extensions: These extensions do not have a pre-made loop, which means they require a bit more time to install. You would need to manually create knots as you crochet the hair onto your cornrows or braids. While this method offers more flexibility in customization and can provide a more personalized fit, such as creating an invisible part hairline to make it appear as if the hair is growing out from your scalp, it also demands more patience and expertise.

Both types offer the natural look and versatility of human hair, but your choice might depend on your preference for convenience versus control over the installation process.