diff --git a/USB-HID.md b/USB-HID.md
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--- /dev/null
+++ b/USB-HID.md
@@ -0,0 +1,11 @@
+# Getting Report Descriptor
+```
+  $ cd /sys/bus/usb/drivers/usbhid
+  $ ls
+  1-1.3.4:1.0  1-1.3.4:1.2  bind    new_id     uevent
+  1-1.3.4:1.1  1-1.3.4:1.3  module  remove_id  unbind
+  $ echo -n 1-1.4\:1.0 | sudo tee unbind
+  $ sudo lsusb -vvv -d 046d:c01d
+  $ echo -n 1-1.4\:1.0 | sudo tee bind
+```
+