How can I effectively conduct keyword research for my Shopify store?

[Robertwilliams]

I'm setting up my new Shopify store for my clothing brand and need help with keyword research. I know it's important for attracting customers, but I’m unsure where to start.

1. What tools do you recommend for keyword research?
2. How can I identify relevant keywords for my clothing line?
3. Are long-tail keywords more effective for e-commerce, and how should I implement them?

Any tips or resources would be greatly appreciated. Thank you!