sunjoe via eBay has Nisaku Ultra-Durable Japanese Stainless Steel Blade Sidewalk – Crevice Weeder for $4.99. YMMV – use PROMO3 for $3 off; total will be $1.99.
Also avail – prices w/ PROMO3:
- Nisaku NEOKOSHI Japanese Stainless Steel Precision Weeder, 3.25-Inch Blade $2
- Nisaku Japanese Stainless Steel Silicon Scraper, .5-Inch Ultra-Sharp Blade $5
- Nisaku Japanese Stainless Steel Caulk Scraper $5