If you prefer to make your own "clips" from your screen, you can use built-in tools:

If you are looking for a guide on how to find or use video "clips" (often called scene packs) for editing purposes, here is a general approach: Finding High-Quality Clips

: Some search results for this term link to adult-oriented sites or spam redirects. If you are looking for specific adult media, be cautious of clicking links on unverified "guide" sites, as they often contain malware or phishing risks.

: Use the Snipping Tool by pressing Windows Logo Key + Shift + S or use the Game Bar ( Windows + G ) for video recording.

Based on available information, "mature clipz" appears to be a term associated with niche adult content or video editing packs rather than a specific mainstream software or service.