How do I create urgency in my recovery emails using countdown timers?

I've been struggling with cart abandonment for months. Our online fashion boutique gets decent traffic, but too many potential customers add items to their cart and then disappear. I've tried traditional recovery emails, but they feel generic and ineffective. We're spending good money on ads, and every lost sale feels like throwing cash out the window. Our current email sequences have low open rates, and even when customers do open them, they rarely click back to complete the purchase. I need something that creates genuine, believable urgency without feeling manipulative. The challenge isn't just about reminding customers about their abandoned cart—it's about giving them a compelling reason to return RIGHT NOW. I want a solution that feels personalized, creates a sense of scarcity, and actually motivates customers to complete their purchase within a specific timeframe.