# gcrane > Container images managing tool. > This tool implements a superset of the `crane` commands, with additional commands that are specific to `gcr.io`. > Some subcommands such as `append`, `auth`, `copy`, etc. have their own usage documentation which can be found under `crane`. > Some subcommands such as `completion`, `gc`, `help` are specific to gcrane and have their own usage documentation. > More information: . - Execute a `gcrane` subcommand: `gcrane {{subcommand}}` - Allow pushing non-distributable (foreign) layers: `gcrane --allow-nondistributable-artifacts {{subcommand}}` - Allow image references to be fetched without TLS: `gcrane --insecure {{subcommand}}` - Specify the platform in the form os/arch{{/variant}}{{:osversion}} (e.g. linux/amd64). (default all): `gcrane --platform {{platform}} {{subcommand}}` - Enable debug logs: `gcrane {{-v|--verbose} {{subcommand}}` - Display help: `gcrane {{-h|--help}}`