Basesailor Direct via Amazon has 3-PK Basesailor Zinc Alloy USB C to USB Adapter, USB C Male to USB A 3.0 Female Adapter (Grey) for $8.99 -$5.39 w/ promo code 60OTGZINC. Shipping is free w/ Prime or on orders $25+.
Also Available:
- 2-Pack USB C Male to USB 3.0 Female Cable Adapter, Thunderbolt 3 to Type A OTG Converter [amazon.com] (White) $4.50 w/ code 50WYIBM5