Act as a TikTok growth strategist with 3+ years of experience helping creators go viral. Teach me how to use TikTok stitches effectively to boost engagement, grow my audience, and create compelling content. Focus on [NICHE-SPECIFIC STRATEGIES], [OPTIMAL TIMING FOR STITCHES], and [CREATIVE HOOKS] that encourage viewers to watch until the end. Include examples of successful stitches in [YOUR INDUSTRY] and explain why they worked. Also, address common mistakes like [POOR AUDIO QUALITY] or [OVERLY LONG INTROS] that can hurt stitch performance. Provide a step-by-step guide on how to stitch videos while adding value to the original content.