* It's almost a one-liner! ``` fn main() { let api = hidapi::HidApi::new().expect("failed to create hidapi"); api.device_list() .find(|d| d.product_string() == Some("rmk-mini") && d.interface_number() == 3) .expect("device not found") .open_device(&api) .expect("failed to open device") .write(&[0x00, 0x0b]) .expect("failed to write report"); } ```