diff --git a/cmd/drop.go b/cmd/drop.go
index a268d20..45491e9 100644
--- a/cmd/drop.go
+++ b/cmd/drop.go
@@ -42,17 +42,17 @@ var dropCmd = &cobra.Command{
 	RunE: func(cmd *cobra.Command, args []string) error {
 		log := args[0]
 		title := args[1]
-		ms := models.Metas{}
+		ms := &models.Metas{}
 		if len(j.RawMessage) > 8 {
-			err := json.Unmarshal([]byte(j.RawMessage), &ms)
+			err := json.Unmarshal([]byte(j.RawMessage), ms)
 			if err != nil {
 				return err
 			}
 		}
 		for k, v := range fields {
-			ms = append(ms, models.Meta{k, tools.ParseString(v)})
+			ms.AppendTo(k, tools.ParseString(v))
 		}
-		e := models.Entry{title, d.t, ms}
+		e := models.Entry{title, d.t, *ms}
 		l := models.Log{log, []models.Entry{e}}
 		err := files.Append(l)
 		if err != nil {
diff --git a/models/entry.go b/models/entry.go
index bca992c..2a11fd2 100644
--- a/models/entry.go
+++ b/models/entry.go
@@ -186,7 +186,7 @@ func (e Entry) MarshalJSON() ([]byte, error) {
 	out := map[string]any{}
 	out["title"] = e.Title
 	out["date"] = e.Date.Format(time.RFC3339)
-	for k, v := range e.Fields.toMap() {
+	for k, v := range e.Fields.Map() {
 		out[k] = v
 	}
 	return json.Marshal(out)
diff --git a/models/meta_test.go b/models/meta_test.go
index 3f623d0..2d4cea8 100644
--- a/models/meta_test.go
+++ b/models/meta_test.go
@@ -13,6 +13,8 @@ import (
 // Type assertions
 var _ encoding.TextMarshaler = Meta{}
 var _ encoding.TextUnmarshaler = new(Meta)
+var _ json.Marshaler = Metas{}
+var _ json.Unmarshaler = new(Metas)
 
 var skipMarshalTest = errors.New("skip marshal")
 
@@ -125,3 +127,17 @@ func TestMetasJsonError(t *testing.T) {
 	assert.Error(t, err)
 	assert.Len(t, ms, 0)
 }
+
+func TestMetasAppend(t *testing.T) {
+	ms := Metas{}
+	ms = ms.Append("foo", 42)
+	assert.Len(t, ms, 1)
+	assert.Equal(t, Meta{"foo", 42}, ms[0])
+}
+
+func TestMetasAppendTo(t *testing.T) {
+	ms := &Metas{}
+	ms.AppendTo("foo", 42)
+	assert.Len(t, *ms, 1)
+	assert.Equal(t, Meta{"foo", 42}, (*ms)[0])
+}
diff --git a/models/metas.go b/models/metas.go
index 7a2602f..4db9d46 100644
--- a/models/metas.go
+++ b/models/metas.go
@@ -1,21 +1,15 @@
 package models
 
 import (
-	//"bufio"
-	//"bytes"
 	"encoding/json"
-	//"fmt"
-	//"errors"
-	//"regexp"
-	//"strings"
-	//"sync"
 	"time"
-	//"codeberg.org/danjones000/my-log/tools"
 )
 
+// A slice of Meta
 type Metas []Meta
 
-func (ms Metas) toMap() map[string]any {
+// Returns a single map containing all the Meta. Is useful when encoding to JSON
+func (ms Metas) Map() map[string]any {
 	out := map[string]any{}
 	for _, f := range ms {
 		if _, found := out[f.Key]; found || f.Key == "title" || f.Key == "date" {
@@ -42,12 +36,14 @@ func (ms Metas) toMap() map[string]any {
 	return out
 }
 
+// Implements json.Marshaler
 func (ms Metas) MarshalJSON() ([]byte, error) {
-	return json.Marshal(ms.toMap())
+	return json.Marshal(ms.Map())
 }
 
+// Implements json.Unmarshaler
 func (ms *Metas) UnmarshalJSON(in []byte) error {
-	old := (*ms).toMap()
+	old := (*ms).Map()
 	out := map[string]any{}
 	err := json.Unmarshal(in, &out)
 	if err != nil {
@@ -62,3 +58,14 @@ func (ms *Metas) UnmarshalJSON(in []byte) error {
 	*ms = ret
 	return nil
 }
+
+// Returns a new Metas with a new Meta appended
+func (ms Metas) Append(k string, v any) Metas {
+	return append(ms, Meta{k, v})
+}
+
+// Appends a new Meta to this Metas
+func (ms *Metas) AppendTo(k string, v any) {
+	n := (*ms).Append(k, v)
+	*ms = n
+}