1. Create an Online Store: Set up an e-commerce website where customers can browse your product, get detailed information, and make purchases. There are various platforms available like Shopify, WooCommerce (for WordPress), BigCommerce, etc., that can help you create an online store easily.

2. Product Listing: Create a dedicated product page for the ASAKI JAPAN Diagonal Plier. Include high-quality images of the product from different angles, detailed descriptions, specifications, and benefits of using the product. Make sure to highlight its features and unique selling points.

3. SEO Optimization: Optimize your product page and website for search engines (SEO) to ensure that your product shows up in search engine results when potential customers search for related keywords like "diagonal plier plastic cutter," "ASAKI Japan tools," etc.

4. Categorization: Place your product in the appropriate category, which you mentioned is "OTHERS." Make sure your category structure is intuitive and easy to navigate, helping customers quickly find what they're looking for.

5. Clear Pricing: Display the product price prominently. Consider offering discounts or bundle deals to attract customers. Be transparent about any additional costs like shipping fees, taxes, etc.

6. Online Payment Options: Integrate secure and convenient online payment gateways to facilitate smooth transactions. Common options include credit/debit cards, PayPal, Stripe, etc.

7. Product Reviews and Ratings: Allow customers to leave reviews and ratings for your product. Positive reviews can build trust and encourage others to make a purchase.

8. Social Media Presence: Create social media profiles for your business on platforms like Facebook, Instagram, Twitter, etc. Share engaging content related to your product, industry tips, and updates. Use relevant hashtags to increase visibility.

9. Online Marketplaces: Consider listing your product on popular online marketplaces like Amazon, eBay, or Etsy. These platforms already have a large customer base, making it easier for your product to be discovered.

10. Content Marketing: Create valuable content related to your product, such as how-to guides, tutorials, or blog posts about various uses of diagonal pliers. This can help establish your brand as an authority in the industry and attract organic traffic.

11. Email Marketing: Collect customer email addresses and send out newsletters with product updates, promotions, and helpful content. Email marketing is a great way to keep your customers engaged.

12. Ad Campaigns: Consider running online advertising campaigns on platforms like Google Ads or social media ads. Target specific demographics and use relevant keywords to reach potential customers.

13. Optimize for Mobile: Ensure your website and online store are mobile-friendly, as many users browse and shop on their smartphones.

Remember that building an online presence and gaining visibility takes time. Consistency, quality, and customer satisfaction are key factors that contribute to your success in selling your product online.