Complex sentence: Attached with a keyring for convenience and concealment, the Kubotan appears as an innocuous key fob to the untrained eye, although it may be considered an offensive weapon in some jurisdictions.
Split into simpler sentences: Attached with a keyring for convenience and concealment, the Kubotan appears as an innocuous key fob to the untrained eye. However, it may be considered an offensive weapon in some jurisdictions.